/* 登录页面 CSS*/
.large{
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 99;
  background-color:rgb(230, 245, 255);
  opacity: 0.7;
  display: none;
}
.login_box{
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  z-index: 999;
  width: 600px;
  height: 350px;
  text-align: center;
  display: none;
  background-color: #fff;
}
.login_box h3{
  margin: 25px auto 15px;
  width: 600px;
  height: 40px;
  font-size: 30px;
}
.login_box .close{
  position: absolute;
  right: 0;
  top: 0;
  height: 20px;
  width: 47px;
  background: url(//imgcache.qq.com/ptlogin/v4/style/40/images/icon_3_8.png) -221px -126px no-repeat;
}
.login_box .close:hover{
  background-position:  -221px -151px;
}
.login_box .password,.username{
  width: 270px;
  height: 18px;
  padding: 10px 0 10px 10px;
  line-height: 18px;
  color: #333;
  font-size: 16px;
  border: 2px solid #d8d8d8;
  border-radius: 3px ;
  margin-top: 20px;
}
.login_box .username_btn{
  color: #fff;
  height: 40px;
  width: 275px;
  line-height: 40px;
  text-align: center;
  font-size: 18px;
  border: none;
  background-color: #36ab87;
  border-radius: 3px ;
  cursor: pointer;
  margin-bottom: 20px;
}
.login_box .login_box>p{
  font-size: 14px;
}
.login_box  p a{
  color: #1c8bde;
}
.login_box  p a:hover{
  color: #1c8bde;
}
.login_box .check_box{
  display: block;
  margin: 10px auto;
  height: 20px;
  text-align: left;
  font-size: 16px;
  width: 270px;
}
.login_box .tips{
  position: absolute;
  right: 10px;
  top: 110px;
  font-size: 14px;
  color: red;
  display: none;
}
